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Finding the Fourth Proportional to 346,258.52, 519,361.83 and 121,620.92

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Solution

The fourth proportional to 346,258.52, 519,361.83 and 121,620.92 is: 182,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,258.52 : 519,361.83 = 121,620.92 : x
  2. Step 2: Convert to fraction form
    346,258.52/519,361.83 = 121,620.92/x
  3. Step 3: Cross multiply
    346,258.52x = 519,361.83 × 121,620.92
  4. Step 4: Simplify right side
    346,258.52x = 63,165,263,577.48
  5. Step 5: Solve for x
    x = 63,165,263,577.48/346,258.52
  6. Step 6: Final answer
    x = 182,422.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.